;;; email/mu4e/config.el -*- lexical-binding: t; -*- (defvar +mu4e-backend 'mbsync "Which backend to use. Can either be offlineimap, mbsync or nil (manual).") ;; ;;; Packages (use-package! mu4e :commands mu4e mu4e-compose-new :init (provide 'html2text) ; disable obsolete package (when (or (not (require 'mu4e-meta nil t)) (version< mu4e-mu-version "1.4")) (setq mu4e-maildir "~/.mail" mu4e-user-mail-address-list nil)) (setq mu4e-attachment-dir (lambda (&rest _) (expand-file-name ".attachments" (mu4e-root-maildir)))) :config (pcase +mu4e-backend (`mbsync (setq mu4e-get-mail-command "mbsync -a" mu4e-change-filenames-when-moving t)) (`offlineimap (setq mu4e-get-mail-command "offlineimap -o -q"))) (setq mu4e-update-interval nil mu4e-compose-format-flowed t ; visual-line-mode + auto-fill upon sending mu4e-view-show-addresses t mu4e-sent-messages-behavior 'sent mu4e-hide-index-messages t ;; try to show images mu4e-view-show-images t mu4e-view-image-max-width 800 mu4e-view-use-gnus t ; the way of the future: https://github.com/djcb/mu/pull/1442#issuecomment-591695814 ;; configuration for sending mail message-send-mail-function #'smtpmail-send-it smtpmail-stream-type 'starttls message-kill-buffer-on-exit t ; close after sending ;; start with the first (default) context; mu4e-context-policy 'pick-first ;; compose with the current context, or ask mu4e-compose-context-policy 'ask-if-none ;; use helm/ivy/vertico mu4e-completing-read-function (cond ((featurep! :completion ivy) #'ivy-completing-read) ((featurep! :completion helm) #'completing-read) ((featurep! :completion vertico) #'completing-read) (t #'ido-completing-read)) ;; no need to ask mu4e-confirm-quit nil ;; remove 'lists' column mu4e-headers-fields '((:account . 12) (:human-date . 12) (:flags . 4) (:from . 25) (:subject))) ;; set mail user agent (setq mail-user-agent 'mu4e-user-agent) ;; Set the icons only when a graphical frame has been created (if (display-graphic-p) (mu4e~initialise-icons) ;; When it's the server, wait till the first graphical frame (add-hook! 'server-after-make-frame-hook (defun mu4e~initialise-icons-hook () (when (display-graphic-p) (mu4e~initialise-icons) (remove-hook #'mu4e~initialise-icons-hook))))) ;; Header view (setq mu4e-headers-fields '((:account . 12) (:human-date . 8) (:flags . 6) ; 3 icon flags (:from . 25) (:subject)) (plist-put (cdr (assoc :flags mu4e-header-info)) :shortname " Flags") ; default=Flgs (defvar mu4e~header-colourised-faces '(all-the-icons-lblue all-the-icons-purple all-the-icons-blue-alt all-the-icons-green all-the-icons-maroon all-the-icons-yellow all-the-icons-orange)) ;; Add a column to display what email account the email belongs to. (setq mu4e-header-info-custom '((:account . (:name "account" :shortname "account" :help "which account this email belongs to" :function (lambda (msg) (let ((maildir (mu4e-message-field msg :maildir))) (mu4e-header-colourise (replace-regexp-in-string "^gmail" (propertize "g" 'face 'bold-italic) (format "%s" (substring maildir 1 (string-match-p "/" maildir 1))))))))) (:recipnum . (:name "Number of recipients" :shortname " ⭷" :help "Number of recipients for this message" :function (lambda (msg) (propertize (format "%2d" (+ (length (mu4e-message-field msg :to)) (length (mu4e-message-field msg :cc)))) 'face 'mu4e-footer-face))))))) ;; Marks usually affect the current view (defadvice! +mu4e--refresh-current-view-a (&rest _) :after #'mu4e-mark-execute-all (mu4e-headers-rerun-search)) ;; Wrap text in messages (setq-hook! 'mu4e-view-mode-hook truncate-lines nil) ;; Html mails might be better rendered in a browser (add-to-list 'mu4e-view-actions '("View in browser" . mu4e-action-view-in-browser)) ;; The header view needs a certain amount of horizontal space to ;; actually show you all the information you want to see ;; so if the header view is entered from a narrow frame, ;; it's probably worth trying to expand it (defvar mu4e-min-header-frame-width 120 "Minimum reasonable with for the header view.") (defun mu4e-widen-frame-maybe () "Expand the frame with if it's less than `mu4e-min-header-frame-width'." (when (< (frame-width) mu4e-min-header-frame-width) (set-frame-width (selected-frame) mu4e-min-header-frame-width))) (add-hook 'mu4e-headers-mode-hook #'mu4e-widen-frame-maybe) (when (fboundp 'imagemagick-register-types) (imagemagick-register-types)) (map! :map mu4e-headers-mode-map :e "l" #'mu4e-msg-to-agenda) (map! :localleader :map mu4e-compose-mode-map :desc "send and exit" "s" #'message-send-and-exit :desc "kill buffer" "d" #'message-kill-buffer :desc "save draft" "S" #'message-dont-send :desc "attach" "a" #'mail-add-attachment) ;; Due to evil, none of the marking commands work when making a visual selection in ;; the headers view of mu4e. Without overriding any evil commands we may actually ;; want to use in and evil selection, this can be easily fixed. (when (featurep! :editor evil) (map! :map mu4e-headers-mode-map :v "*" #'mu4e-headers-mark-for-something :v "!" #'mu4e-headers-mark-for-read :v "?" #'mu4e-headers-mark-for-unread :v "u" #'mu4e-headers-mark-for-unmark :vn "l" #'mu4e-msg-to-agenda)) (add-hook 'mu4e-compose-pre-hook 'my-mu4e-set-account) (advice-add #'mu4e~main-action-str :override #'mu4e~main-action-prettier-str)) (when (featurep! :lang org) (use-package! org-msg :hook (org-load . org-msg-mode) :config (setq org-msg-startup "inlineimages" org-msg-greeting-name-limit 3 org-msg-text-plain-alternative t))) ;; ;;; Gmail integration (when (featurep! +gmail) (after! mu4e ;; don't save message to Sent Messages, Gmail/IMAP takes care of this (setq mu4e-sent-messages-behavior 'delete ;; don't need to run cleanup after indexing for gmail mu4e-index-cleanup nil ;; because gmail uses labels as folders we can use lazy check since ;; messages don't really "move" mu4e-index-lazy-check t) ;; In my workflow, emails won't be moved at all. Only their flags/labels are ;; changed. Se we redefine the trash and refile marks not to do any moving. ;; However, the real magic happens in `+mu4e|gmail-fix-flags'. ;; ;; Gmail will handle the rest. (defun +mu4e--mark-seen (docid _msg target) (mu4e~proc-move docid (mu4e~mark-check-target target) "+S-u-N")) (delq! 'delete mu4e-marks #'assq) (setf (alist-get 'trash mu4e-marks) (list :char '("d" . "▼") :prompt "dtrash" :dyn-target (lambda (_target msg) (mu4e-get-trash-folder msg)) :action #'+mu4e--mark-seen) ;; Refile will be my "archive" function. (alist-get 'refile mu4e-marks) (list :char '("r" . "▼") :prompt "rrefile" :dyn-target (lambda (_target msg) (mu4e-get-refile-folder msg)) :action #'+mu4e--mark-seen)) ;; This hook correctly modifies gmail flags on emails when they are marked. ;; Without it, refiling (archiving), trashing, and flagging (starring) email ;; won't properly result in the corresponding gmail action, since the marks ;; are ineffectual otherwise. (add-hook! 'mu4e-mark-execute-pre-hook (defun +mu4e-gmail-fix-flags-h (mark msg) (pcase mark (`trash (mu4e-action-retag-message msg "-\\Inbox,+\\Trash,-\\Draft")) (`refile (mu4e-action-retag-message msg "-\\Inbox")) (`flag (mu4e-action-retag-message msg "+\\Starred")) (`unflag (mu4e-action-retag-message msg "-\\Starred")))))))